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cpus: Introduce CPUClass::list_cpus() callback

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Some targets define cpu_list to a method listing their
CPUs on stdout. In order to make list_cpus() generic,
introduce the CPUClass::list_cpus() callback.
When no callback is registered, list_cpus() defaults
to the cpu_list definition.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250324185837.46506-2-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2025-03-23 16:09:06 +01:00
parent 9ce6caa0d9
commit 0a5692fecc
2 changed files with 9 additions and 1 deletions
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8
cpu-target.c
View file

@ -104,7 +104,13 @@ static void cpu_list(void)
void list_cpus(void) void list_cpus(void)
{ {
cpu_list(); CPUClass *cc = CPU_CLASS(object_class_by_name(CPU_RESOLVING_TYPE));
if (cc->list_cpus) {
cc->list_cpus();
} else {
cpu_list();
}
} }
/* enable or disable single step mode. EXCP_DEBUG is returned by the /* enable or disable single step mode. EXCP_DEBUG is returned by the

2
include/hw/core/cpu.h
View file

@ -102,6 +102,7 @@ struct SysemuCPUOps;
* CPUClass: * CPUClass:
* @class_by_name: Callback to map -cpu command line model name to an * @class_by_name: Callback to map -cpu command line model name to an
* instantiatable CPU type. * instantiatable CPU type.
* @list_cpus: list available CPU models and flags.
* @parse_features: Callback to parse command line arguments. * @parse_features: Callback to parse command line arguments.
* @reset_dump_flags: #CPUDumpFlags to use for reset logging. * @reset_dump_flags: #CPUDumpFlags to use for reset logging.
* @memory_rw_debug: Callback for GDB memory access. * @memory_rw_debug: Callback for GDB memory access.
@ -148,6 +149,7 @@ struct CPUClass {
/*< public >*/ /*< public >*/
ObjectClass *(*class_by_name)(const char *cpu_model); ObjectClass *(*class_by_name)(const char *cpu_model);
void (*list_cpus)(void);
void (*parse_features)(const char *typename, char *str, Error **errp); void (*parse_features)(const char *typename, char *str, Error **errp);
int (*memory_rw_debug)(CPUState *cpu, vaddr addr, int (*memory_rw_debug)(CPUState *cpu, vaddr addr,